Perhaps you should try some spelling variations:
oral communication » personal communication
information 1.5.2 » information 1.2, information 2
set developpement » et developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
technologies ct » technologies co, technologies art, technologies bit
ct information » cost information, get information, iot information
de afrique » de l'afrique, en afrique, l afrique
1.5.2 a » 11.5.2 a, 12.5.2 a, 13.5.2 a
a oral » _ oral, 2 oral, 4 oral
a set » _ set

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologies ct information 1.5.2 a oral communication a set developpement de afrique.*.